GB/T 29401-2020
Sulfur coated urea (SCU) (English Version)
- Standard No.
- GB/T 29401-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
- GB/T 29401-2020
- Replace
- GB/T 29401-2012
- Scope
- This standard specifies the terms and definitions, technical requirements, sampling, test methods, and inspection of sulfur-coated urea and sulfur-coated slow-release nitrogen fertilizers, sulfur-coated slow-release compound fertilizers, and slow-release blended fertilizers containing part of sulfur-coated urea. Regulations, labeling and quality certificates, packaging, transport and storage. This standard applies to sulfur-coated urea slow-release fertilizers with various names that use sulfur as the main wrapping material to wrap granular urea to achieve slow release of nitrogen, including but not limited to sulfur-coated urea, sulfur-coated urea, Sulfur-coated urea, sulfur-coated urea, sulfur-coated urea, etc. It is also suitable for sulfur-coated slow-release nitrogen fertilizers, sulfur-coated slow-release compound fertilizers and slow-release blended fertilizers containing part of sulfur-coated urea.
GB/T 29401-2020 Referenced Document
- GB 18382 Fertilizer marking—Presentation and declaration*， 2021-04-30 Update
- GB 38400 Limitation requirements of toxic and harmful substance in fertilizers
- GB/T 14540 Determination of copper,iron,manganese,zinc,boron and molybdenum content for compound fertilizers
- GB/T 19203-2003 Determination of calcium,magnesium and sulphur content for compound fertilizer
- GB/T 21633 Bulk blending fertilizer
- GB/T 22924 Determination of biuret ocntent for compound fertilizers(complex fertilizers)
- GB/T 2441.1 Determination of urea.Part 1:Total nitrogen content
- GB/T 24891 Determination of particle size for compound fertilizers
- GB/T 34764 Determination of copper,iron,zinc,manganese,boron and molybdenum content in fertilizers—Inductively coupled plasma optical emission spectroscopy
- GB/T 6679 General rules for sampling solid chemical products
- GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
- GB/T 8569 Packing of solid chemical fertilizers
- GB/T 8572 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
- GB/T 8577 Determination of free water for compound fertilizers.Karl Fischer method
- HG/T 2843 Chemical fertilezer products-standard volumetrie,standard,reagent and indicator solutions for chemical analysis
- ISO 17322 Fertilizers and soil conditioners - Analytical methods for Sulfur Coated Urea (SCU)
- ISO 18643 Fertilizers and soil conditioners - Determination of biuret content of urea-based fertilizers - HPLC method
- NY/T 1117 Water-soluble fertilizers-Determination of calcium, magnesium, sulphur and chlorine content
GB/T 29401-2020 history
- 2020 GB/T 29401-2020 Sulfur coated urea (SCU)
- 2012 GB/T 29401-2012 Sulfur coated urea (SCU)
